Download Spreadtrum (SPD) USB Drivers & Installation
If you are working with Spreadtrum or Unisoc (SPD) powered Android smartphones—such as Walton, Symphony, Itel, or Nokia—using flashing utilities like Research Download or Upgrade Tool, installing proper SPD USB Drivers on your Windows PC is essential. Without these drivers, your computer will not recognize the phone in download or boot mode.
Why Are SPD USB Drivers Important?
Spreadtrum chipset devices require specialized SCI USB serial drivers to establish a handshake with the PC. These drivers allow tools to securely transfer PAC firmware files and execute unbricking or FRP bypass operations.
Key Steps to Install SPD Drivers
- Download the Driver Package: Get the official signed Spreadtrum driver installer or manual package.
- Extract & Execute: Unzip the downloaded archive and run the installer as administrator.
- Device Recognition: Connect your powered-off SPD device while holding the volume buttons to trigger the port.
SPD Driver Setup Wizard Demo
Welcome to SPD Driver Setup
This wizard will guide you through installing Spreadtrum serial drivers. Click Next.
Agreement & Port Selection
I accept the agreement
Installing Port Drivers...
Configuring SCI USB port in Windows registry...
🎉 Setup Completed!
SPD drivers successfully installed. Ready for flashing.
Download Spreadtrum USB Drivers (Latest Versions)
You can download the verified Spreadtrum USB drivers directly from the secure third-party mirror links below:
Important Troubleshooting Tips
- Boot Key: For most SPD devices, holding Volume Down (-) or both volume keys while connecting USB is required.
- Driver Signature: Disable driver signature enforcement if Windows blocks the unsigned Spreadtrum port.